openairinterface5g/openair2/LAYER2/nr_rlc/asn1_utils.c

/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

#include "rlc.h"

int decode_t_reassembly(int v)
{
  static const int tab[31] = {0,  5,  10, 15, 20,  25,  30,  35,  40,  45,  50,  55,  60,  65,  70, 75,
                              80, 85, 90, 95, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200};

  if (v < 0 || v > 30) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  return tab[v];
}

int decode_t_status_prohibit(int v)
{
  static const int tab[62] = {0,   5,   10,  15,  20,  25,  30,  35,  40,  45,   50,   55,   60,   65,  70,  75,
                              80,  85,  90,  95,  100, 105, 110, 115, 120, 125,  130,  135,  140,  145, 150, 155,
                              160, 165, 170, 175, 180, 185, 190, 195, 200, 205,  210,  215,  220,  225, 230, 235,
                              240, 245, 250, 300, 350, 400, 450, 500, 800, 1000, 1200, 1600, 2000, 2400};

  if (v < 0 || v > 61) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  return tab[v];
}

int decode_t_poll_retransmit(int v)
{
  static const int tab[59] = {5,   10,  15,  20,  25,  30,  35,  40,  45,  50,  55,  60,  65,  70,  75,  80,  85,   90,   95,  100,
                              105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185,  190,  195, 200,
                              205, 210, 215, 220, 225, 230, 235, 240, 245, 250, 300, 350, 400, 450, 500, 800, 1000, 2000, 4000};

  if (v < 0 || v > 58) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  return tab[v];
}

int decode_poll_pdu(int v)
{
  static const int tab[24] = {
      4,    8,     16,    32,    64,    128,   256,   512,   1024,  2048,  4096,     6144,
      8192, 12288, 16384, 20480, 24576, 28672, 32768, 40960, 49152, 57344, 65536 - 1 /* -1 means infinity */
  };

  if (v < 0 || v > 23) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  return tab[v];
}

int decode_poll_byte(int v)
{
  static const int tab[44] = {
      /* KB */
      1024 * 1,
      1024 * 2,
      1024 * 5,
      1024 * 8,
      1024 * 10,
      1024 * 15,
      1024 * 25,
      1024 * 50,
      1024 * 75,
      1024 * 100,
      1024 * 125,
      1024 * 250,
      1024 * 375,
      1024 * 500,
      1024 * 750,
      1024 * 1000,
      1024 * 1250,
      1024 * 1500,
      1024 * 2000,
      1024 * 3000,
      1024 * 4000,
      1024 * 4500,
      1024 * 5000,
      1024 * 5500,
      1024 * 6000,
      1024 * 6500,
      1024 * 7000,
      1024 * 7500,
      /* MB */
      1024 * 1024 * 8,
      1024 * 1024 * 9,
      1024 * 1024 * 10,
      1024 * 1024 * 11,
      1024 * 1024 * 12,
      1024 * 1024 * 13,
      1024 * 1024 * 14,
      1024 * 1024 * 15,
      1024 * 1024 * 16,
      1024 * 1024 * 17,
      1024 * 1024 * 18,
      1024 * 1024 * 20,
      1024 * 1024 * 25,
      1024 * 1024 * 30,
      1024 * 1024 * 40,
      -1 /* -1 means infinity */
  };

  if (v < 0 || v > 43) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  if (tab[v] == -1) return -1;
  return tab[v] * 1024;
}

int decode_max_retx_threshold(int v)
{
  static const int tab[8] = {1, 2, 3, 4, 6, 8, 16, 32};

  if (v < 0 || v > 7) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  return tab[v];
}

int decode_sn_field_length_um(int v)
{
  static const int tab[2] = {6, 12};

  if (v < 0 || v > 1) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  return tab[v];
}

int decode_sn_field_length_am(int v)
{
  static const int tab[2] = {12, 18};

  if (v < 0 || v > 1) {
    LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
    exit(1);
  }

  return tab[v];
}